Capital Activity - Additional Information (Details)					12 Months Ended
		Jun. 13, 2022 USD ($) NewShare $ / shares shares	Feb. 28, 2022 USD ($) shares	Oct. 01, 2020 USD ($) NewShare $ / shares shares	Dec. 31, 2022 USD ($) shares		Dec. 31, 2021 USD ($) shares		Dec. 31, 2020 USD ($) shares	Feb. 03, 2022 USD ($) shares	Sep. 20, 2021 USD ($) shares	Jan. 21, 2021 shares
Schedule of Capitalization [Line Items]
Number of new shares of common stock purchased. | NewShare		1		1
Sale of stock, price per share | $ / shares		$ 12.50		$ 17.70
Common stock, shares issued | shares		3,000,567		1,793,658	7,601,958		4,484,278			117,117	138,888	79,797
Common stock distributed | shares	[1]				0		79,797		367,470
Proceeds from issuance of common stock | $		$ 37,507,000		$ 31,748,000	$ 37,507,000				$ 31,748,000
Reverse stock split, conversion ratio			0.17
Description of reverse stock split					On February 28, 2022, the Company effected a 6-for-1 reverse stock split of the Company’s outstanding common stock. As a result of the reverse stock split, every six shares of the Company’s issued and outstanding common stock were converted into one share of issued and outstanding common stock.
Fractional shares | shares			4
Fractional shares aggregate amount of redemption | $			$ 0.1
Common stock, value | $					$ 76,000	[2]	$ 45,000	[2]		$ 2,600,000	$ 3,250,000
Promissory Note
Schedule of Capitalization [Line Items]
Common stock, shares issued | shares											427,351
Common stock, value | $											$ 10,000,000

[1] Share activity has been adjusted for the periods shown to reflect the six-for-one reverse stock split effected on February 28, 2022 on a retroactive basis as described in Note 2.

[2] Authorized, issued and outstanding shares of common stock and net asset value per share have been adjusted for the periods shown to reflect the six-for-one reverse stock split effected on February 28, 2022 on a retroactive basis as described in Note 2.